The black-throated loon (Gavia arctica) is a medium-sized diving bird. It breeds in northern North America and Eurasia, and winters along the coasts of the Atlantic and Pacific Oceans. The […]
The black-throated loon (Gavia arctica) is a medium-sized diving bird. It breeds in northern North America and Eurasia, and winters along the coasts of the Atlantic and Pacific Oceans. The […]